1 /* 2 * This file is auto-generated. Modifications will be lost. 3 * 4 * See https://android.googlesource.com/platform/bionic/+/master/libc/kernel/ 5 * for more information. 6 */ 7 #ifndef _UAPI_LINUX_FUTEX_H 8 #define _UAPI_LINUX_FUTEX_H 9 #include <linux/compiler.h> 10 #include <linux/types.h> 11 #define FUTEX_WAIT 0 12 #define FUTEX_WAKE 1 13 #define FUTEX_FD 2 14 #define FUTEX_REQUEUE 3 15 #define FUTEX_CMP_REQUEUE 4 16 #define FUTEX_WAKE_OP 5 17 #define FUTEX_LOCK_PI 6 18 #define FUTEX_UNLOCK_PI 7 19 #define FUTEX_TRYLOCK_PI 8 20 #define FUTEX_WAIT_BITSET 9 21 #define FUTEX_WAKE_BITSET 10 22 #define FUTEX_WAIT_REQUEUE_PI 11 23 #define FUTEX_CMP_REQUEUE_PI 12 24 #define FUTEX_LOCK_PI2 13 25 #define FUTEX_PRIVATE_FLAG 128 26 #define FUTEX_CLOCK_REALTIME 256 27 #define FUTEX_CMD_MASK ~(FUTEX_PRIVATE_FLAG | FUTEX_CLOCK_REALTIME) 28 #define FUTEX_WAIT_PRIVATE (FUTEX_WAIT | FUTEX_PRIVATE_FLAG) 29 #define FUTEX_WAKE_PRIVATE (FUTEX_WAKE | FUTEX_PRIVATE_FLAG) 30 #define FUTEX_REQUEUE_PRIVATE (FUTEX_REQUEUE | FUTEX_PRIVATE_FLAG) 31 #define FUTEX_CMP_REQUEUE_PRIVATE (FUTEX_CMP_REQUEUE | FUTEX_PRIVATE_FLAG) 32 #define FUTEX_WAKE_OP_PRIVATE (FUTEX_WAKE_OP | FUTEX_PRIVATE_FLAG) 33 #define FUTEX_LOCK_PI_PRIVATE (FUTEX_LOCK_PI | FUTEX_PRIVATE_FLAG) 34 #define FUTEX_LOCK_PI2_PRIVATE (FUTEX_LOCK_PI2 | FUTEX_PRIVATE_FLAG) 35 #define FUTEX_UNLOCK_PI_PRIVATE (FUTEX_UNLOCK_PI | FUTEX_PRIVATE_FLAG) 36 #define FUTEX_TRYLOCK_PI_PRIVATE (FUTEX_TRYLOCK_PI | FUTEX_PRIVATE_FLAG) 37 #define FUTEX_WAIT_BITSET_PRIVATE (FUTEX_WAIT_BITSET | FUTEX_PRIVATE_FLAG) 38 #define FUTEX_WAKE_BITSET_PRIVATE (FUTEX_WAKE_BITSET | FUTEX_PRIVATE_FLAG) 39 #define FUTEX_WAIT_REQUEUE_PI_PRIVATE (FUTEX_WAIT_REQUEUE_PI | FUTEX_PRIVATE_FLAG) 40 #define FUTEX_CMP_REQUEUE_PI_PRIVATE (FUTEX_CMP_REQUEUE_PI | FUTEX_PRIVATE_FLAG) 41 #define FUTEX2_SIZE_U8 0x00 42 #define FUTEX2_SIZE_U16 0x01 43 #define FUTEX2_SIZE_U32 0x02 44 #define FUTEX2_SIZE_U64 0x03 45 #define FUTEX2_NUMA 0x04 46 #define FUTEX2_PRIVATE FUTEX_PRIVATE_FLAG 47 #define FUTEX2_SIZE_MASK 0x03 48 #define FUTEX_32 FUTEX2_SIZE_U32 49 #define FUTEX_WAITV_MAX 128 50 struct futex_waitv { 51 __u64 val; 52 __u64 uaddr; 53 __u32 flags; 54 __u32 __reserved; 55 }; 56 struct robust_list { 57 struct robust_list * next; 58 }; 59 struct robust_list_head { 60 struct robust_list list; 61 long futex_offset; 62 struct robust_list * list_op_pending; 63 }; 64 #define FUTEX_WAITERS 0x80000000 65 #define FUTEX_OWNER_DIED 0x40000000 66 #define FUTEX_TID_MASK 0x3fffffff 67 #define ROBUST_LIST_LIMIT 2048 68 #define FUTEX_BITSET_MATCH_ANY 0xffffffff 69 #define FUTEX_OP_SET 0 70 #define FUTEX_OP_ADD 1 71 #define FUTEX_OP_OR 2 72 #define FUTEX_OP_ANDN 3 73 #define FUTEX_OP_XOR 4 74 #define FUTEX_OP_OPARG_SHIFT 8 75 #define FUTEX_OP_CMP_EQ 0 76 #define FUTEX_OP_CMP_NE 1 77 #define FUTEX_OP_CMP_LT 2 78 #define FUTEX_OP_CMP_LE 3 79 #define FUTEX_OP_CMP_GT 4 80 #define FUTEX_OP_CMP_GE 5 81 #define FUTEX_OP(op,oparg,cmp,cmparg) (((op & 0xf) << 28) | ((cmp & 0xf) << 24) | ((oparg & 0xfff) << 12) | (cmparg & 0xfff)) 82 #endif 83